package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.SQLOutput;
import java.util.Scanner;

/**
 * INSERT语句使用预编译SQL
 */
public class JDBCDemo8 {
    public static void main(String[] args) {
        System.out.println("欢迎注册");
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入用户名");
        String username = scanner.nextLine();
        System.out.println("请输入密码");
        String password = scanner.nextLine();
        System.out.println("请输入昵称");
        String nickname = scanner.nextLine();
        System.out.println("请输入年龄");
        int age = scanner.nextInt();
        try(   Connection connection = DBUtil.getConnection()) {
        String  sql="INSERT INTO user(username,password,nickname,age) " +
                    "VALUES(?,?,?,?)";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,username);
            ps.setString(2,password);
            ps.setString(3,nickname);
            ps.setInt(4,age);
            int num = ps.executeUpdate();
            System.out.println(num>0?"注册成功":"注册失败");
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
